<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>选择器【群组+派生】</title>
		<style>
			/* 选择器：群组选择器---选择所有选择器选中的元素 语法：元素选择器，类选择器，id选择器 */
			p,div,#table,.dl{
				width: 200px;
				height: 200px;
				background: #ffaaff;
			}
			/* 派生选择器：后代选择器---选中父元素下的所有子元素  
			语法：[父]元素选择器  【子】元素选择器 */
			ul li{
				width: 100px;
				height: 100px;
				background: #55aaff;
			}
		</style>
	</head>
	<body>
		<ul>
			<li>好东西</li>
			<li>孤星计划</li>
			<li>野孩子</li>
			<li>小小的我</li>
		</ul>
		
		
		
		
		<hr>
		<!-- 块元素：特点：可以设宽高，独占一行 -->
		<p>Lorem ipsum dolor sit amet consectetur, adipisicing elit. Nobis ea, maiores ad, optio nisi atque porro quae dolore vero eveniet, nemo similique impedit accusamus corporis laborum incidunt explicabo deleniti illum.</p>
		<div>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Sint nobis maiores totam placeat nam consectetur qui quisquam at numquam quia assumenda atque magni vel, expedita officiis deserunt, ab, quos blanditiis!</div>
		<h2>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Non, accusantium. Nostrum, itaque facere? Odio amet distinctio nisi enim qui odit laborum? Dolore repudiandae sapiente non. Modi ratione aliquid asperiores libero.</h2>
		<table id="table">
			<tr>
				<td>lorem</td>
				<td>lorem</td>
			</tr>
			<tr>
				<td>lorem</td>
				<td>lorem</td>
			</tr>
		</table>
		<dl class="dl">
			<dt>图</dt>
			<dd>解释图</dd>
		</dl>
	</body>
</html>